All about PTN Files

The PTN file type is primarily associated with PaperPort.

PTN	File extension: PTN
	File type:	thumbnail image data file

What is a PTN file?

PTN files mostly belong to PaperPort by Kofax. The PTN extension is a data file that stores text and binary information. PTN files are used to support the operation of programs and are usually created dynamically by the program to store elements of its state, such as a thumbnail for a larger image. Data is saved in UTF-8 encoding, and can also be binaray-encoded. The PTN file can be viewed with a text editor, but only the authoring program should edit it. It can also be converted to other document formats such as PDF, for example, using online services.

Main Use: The PTN file extension is most commonly used to store information about thumbnails by PaperPort, a document management program developed by Naunce. The program provides Optical Character Recognition(OCR) features for digitizing scanned documents, and internally uses PTN files to store the thumbnail information. Multiple PTN and PTN2 files are stored for each document directory, but they are recreated each time they are absent from the directory, e.g they have been deleted.
Adoption: Other programs have made use of this extension including CADKEY, a design program for mechanical engineers, Embird, a program designed for creating embroidery designs, and Docklight, a program for simulating device communication over protocols.

How to open a PTN file

You need a suitable software like PaperPort to open a PTN file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PTN file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PTN file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PTN Text Viewer

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Programs that open and convert PTN files:

PaperPort by Kofax
See the previous paragraphs to learn more about the main application. PTN files are often referred to as PaperPort data files because this type of file is primarily created or used by this software.
Amaya (dicopar file) by W3C
W3C Amaya is an open-source software project web browsing and authoring environment and provides both - browsing and Web pages authoring. It is written in the C programming language and is available for Windows, Unix, and MacOS X platforms. The last release of this software was on 18 January 2012. PTN file stores dicopar data. This PTN file type entry is obsolete and no longer supported. This file format is classified as Data. Related links: Manual, Amaya on GitHub, Amaya on Wikipedia
CADKEY (pattern file) by Kubotek3D
Kubotek3D CADKEY was a 2D/3D mechanical computer-aided design application released for DOS, Solaris, and Windows operating systems. It was one of the first CAD programs with 3D capabilities for personal computers. In 2003. Kubotek3D replaced this application with KeyCreator. PTN file contains a pattern. This file format is classified as Data. Related links: Guide, Tutorials, CADKEY on Wikipedia
Housecall (virus pattern file) by Trend Micro
HouseCall is a free online virus scanner intended for Windows, Android, and macOS platforms and developed by Trend Micro for detecting and fixing malicious software threats. PTN file contains virus patterns - a database with new virus information. This file format is classified as Data. Related links: Trend Micro on Wikipedia, Help Center

Technical Data for PTN File Extension

File classification:

Data

Related files:

ptn2, ini2, pnt, 11d, eeg, trd, glk, opd, popx

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: fr_user_pattern_file, FileType: FineReader user pattern file

ProgramID: DigiStitch.Document
EXEFile: %ProgramFiles%\DIGIST~1.X\DIGIST~1.EXE %1

ProgramID: EMBIRD.File.ptn
EXEFile: %ProgramFiles%\EMBIRD32\EMBIRD.EXE

a ptn thumbnail image data file is a special file format by Kofax and should only be edited and saved with the appropriate software.

How to solve problems with PTN files

Associate the PTN file extension with the correct application.
Update your software that should actually open thumbnail image data files. Because only the current version supports the latest PTN file format. Search, therefore, e.g. on the Kofax manufacturer website after an available PaperPort update.
To make sure that your PTN file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .PTN file online - secure, fast, and no downloads needed.